Configuration | Meo - Comtech EF Data CDM-425 Installation And Operation Manual

Advanced satellite modem (18 kbps – 25 mbps)
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Date and Time
Time: Enter a time using HH:MM:SS format (where HH = hour [00 to 23], MM = minutes
[00 to 59], and SS = seconds [00 to 59]).
Date: Enter a date using DD/MM/YY format (where DD = day [01 to 31], MM = month [01
to 12], and YY = year [00 to 99]).
Click [Enter Date/Time] once you set the desired date and time.
7.5.4.3.12

Configuration | MEO

The optional IP Packet Processor must be installed and active, with IP-ACM or
V2-ACM selected as the active operating mode, and Carrier-in-Carrier disabled for
any MEO Operational Modes to be accessible. Otherwise, this page is
nonfunctional.
CDM-425 Advanced Satellite Modems are configurable for continuous pairing as Primary and
non-Primary Modems in an Antenna Handover System when the MEO feature is enabled.
Ethernet data traffic is transmitted and received via the Primary and Non-Primary CDM-625's four
10/100 Ethernet ports. The Antenna Handover signal received from the user-provided IF/RF
switch determines which modem is the ONLINE or OFFLINE unit:
The ONLINE unit transmits traffic only to the WAN side while, at the same time, the
OFFLINE unit's Tx is muted.
Both the ONLINE and OFFLINE units receive the satellite traffic, but only the ONLINE
unit forwards traffic to the LAN side while the OFFLINE unit drops the packets.
Any time a unit switches from the OFFLINE to ONLINE state, the traffic destined for the
WAN is buffered, preconfigured in milliseconds (base modem → Antenna Handover
delay).
Ethernet-based Remote Product Management
Figure 7-38. Configuration | MEO Page
7–72
CDM-425 Advanced Satellite Modem
MN-CDM-425
Revision 0

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